// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/indexed_db/leveldb/leveldb_write_batch.h"

#include "base/memory/ptr_util.h"
#include "base/strings/string_piece.h"
#include "third_party/leveldatabase/src/include/leveldb/slice.h"
#include "third_party/leveldatabase/src/include/leveldb/write_batch.h"

namespace content {

std::unique_ptr<LevelDBWriteBatch> LevelDBWriteBatch::Create()
{
    return base::WrapUnique(new LevelDBWriteBatch);
}

LevelDBWriteBatch::LevelDBWriteBatch()
    : write_batch_(new leveldb::WriteBatch)
{
}

LevelDBWriteBatch::~LevelDBWriteBatch() { }

static leveldb::Slice MakeSlice(const base::StringPiece& s)
{
    return leveldb::Slice(s.begin(), s.size());
}

void LevelDBWriteBatch::Put(const base::StringPiece& key,
    const base::StringPiece& value)
{
    write_batch_->Put(MakeSlice(key), MakeSlice(value));
}

void LevelDBWriteBatch::Remove(const base::StringPiece& key)
{
    write_batch_->Delete(MakeSlice(key));
}

void LevelDBWriteBatch::Clear() { write_batch_->Clear(); }

} // namespace content
